Photograph of Lock and Dam No. 18 — Photograph by US Army Corps of Engineers, Unknown Photographer, Public domain. Via Wikimedia Commons.

Lock and Dam No. 18 Historic District

Listed on the National Register of Historic Places in 2004.

From the record

“Lock and Dam No. 18 is a lock and dam located near Gladstone, Illinois and Burlington, Iowa on the Upper Mississippi River around river mile 410.5. The movable dam is 1,350 feet (411.5 m) and consists of 3 roller gates and 14 tainter gates.”
Wikipedia article Lock and Dam No. 18, CC BY-SA 4.0.

One of 4 National Register listings published here for Henderson County · listed in 2004 · category: District.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

Address. 1.5 mi. N of unnamed cty rd. from Gladstone, Gladstone, 52601
When was it listed? March 2004
Category. district
Also known as. Upper Mississippi River 9-Foot Navigation Project MPS
Architect. United States Army Corps of Engineers
National Register reference number. 04000178 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

2 since 2006

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 2 fires within 5 miles of Lock and Dam No. 18 Historic District between 2006 and 2020, burning about 51 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Debris and open burning	1
Missing data/not specified/undetermined	1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
17 July 2006	Missing data/not specified/undetermined	1.0 acres	Iowa Department of Natural Resources	not named
5 March 2020	Debris and open burning	50 acres	Iowa Department of Natural Resources	not named

Mines and quarries near this property

2 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Lock and Dam No. 18 Historic District: 2 past producers. None of them still produces. What was taken out: Granite, Stone, Crushed/Broken. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where	Site	Commodity	Status	Recorded
	Mc Kenzie Quarry	Stone, Crushed/Broken	Past Producer
	Monmouth Stone Company Quarry	Granite	Past Producer

Every working recorded in Henderson County

Storms near this property

15 since 1996

Regional context, not property-specific evidence. The National Weather Service names Gladstone, the town this property stands in, in 15 storm reports between 1996 and 2024: 5 hail, 5 flood, 4 thunderstorm wind, 1 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

When	Event	Place named	Harm	What the report says
May 2003	Hail	Gladstone	$10,000,000	no account filed
May 2003	Hail	Gladstone	$250,000	no account filed
August 2004	Thunderstorm Wind	Gladstone	$4,000	Trees down west of Gladstone to south of Gladstone
July 2024	Flood	Gladstone	-	The Mississippi River at Gladstone rose above its major flood stage of 14 feet around 5 PM on July 2nd and crested at 16.32 feet on July 12th. The river fell back below major flood stage around 7 PM on July 22nd.
April 2023	Flood	Gladstone	-	The Mississippi River at Gladstone rose above its major flood stage of 14 feet during the early morning hours of April 27th. It continued to rise to 15.6 feet during the evening hours of April 30th.
November 2020	Thunderstorm Wind	Gladstone	-	Estimated 60 mph winds with extremely heavy rain, leading to loss of power.
May 2019	Flood	Gladstone	-	The Mississippi River at Burlington (BRLI4) began the month above its major flood stage of 18 feet and continued to see major flooding through the end of the month, with only one short period on the 17th, where it dipped back down to near 18 feet. The river stage at the beginning of the month was 20.4 feet. The river would rise to a crest of 23.54 feet on May 3rd. This crest is preliminary the 4th highest crest. The river rose to a even higher crest in early June.
September 2018	Flood	Gladstone	-	Episodes of heavy rainfall of about 5 to 15 inches in a 10 day period in much of northeast Iowa and southwest Wisconsin caused the Mississippi River to rise above major flood stage at Gladstone. The extended duration between the forecast and actual lower end major river flooding allowed preparations to preclude major damage downstream. Gladstone rose above major flood stage of 14.0 feet at 245 PM CST on 9 September. Then crested around 14.23 feet at 930 PM CST on September 11th and fell below 14.0 feet at approximately 130 AM CST on 13 September.
October 2010	Flood	Gladstone	-	The river rose above flood stage at Gladstone LD18 on October 2 at 800 pm cst and fell below flood stage on October 16 at 430 am cst. Moderate flooding occurred with the crest reaching 12.33 feet on October 8 at 500 am cst. Flood stage is 10 feet.
June 2008	Thunderstorm Wind	Gladstone	-	Winds estimated to be 60 mph blew down some tree limbs in Gladstone, IL at 8:52 pm June 8.
June 2007	Flash Flood	Gladstone	-	Water up to 6 inches deep crossed Gladstone Road.
April 2001	Hail	Gladstone	-	Penny sized hail reported by Henderson County Health Department.
June 2001	Thunderstorm Wind	Gladstone	-	Trees downed by thunderstorm winds.
March 2009	Hail	Gladstone	-	no account filed
June 1996	Hail	Gladstone	-	no account filed

Every storm recorded in Henderson County

Map coverage status

No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.

Listed places nearby

3 within 8 miles

Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.

Property	Distance	Listed
Oquawka Wagon Bridge	4.1 miles	1975
Alexis Phelps House	5.1 miles	1982
South Henderson Church and Cemetery	6.1 miles	1976

Sources for this property

National Archives record	The nomination case file for reference 04000178 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Henderson County	All 4 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.